Tire-setter.



B. E'. MARTIN. TIRE SETTER.

APPLIOATIQN FILED AUG. 4, 19m.

984,382. Patented Feb. 14,1911.

Elms

B. E. MARTIN. 4TIRE SETTER. APPLICATION FILED AUG. 4, 1910.

984,382. 1 Patented 119115111911.

2 SHEETS-SHEET 2 .jill

BARNET E. MARTIN, OF ST. MAR-YS, WEST VIRGINIA.

TIRE-SETTER.

Specification of Letters Patent.

Patented Feb. 14, 1911.

Application filed August 4, 1910. Serial No. 575,515.

To all whom it may concern:

Be it known that I, BAnNirr E. MARTIN, a citizen of the United States, residing at St. Marys, in the county of Pleasants and State of IVest Virginia, have invented certain new and useful Improvenients in Tire- Setters; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it', appertains to make and use the same. l

My invention relates to tire setting machines of the class in which the tire is heated when placed on the wheel and afterward chilled and caused to contract by plunging' it. into water.

It is my aim to improve the construction of a machine of this kind whereby it may be more easily operated and the dangers ot' accidents and of the parts 2getting' out of place or failing' to operate properly are reduced to a minimum.

The invention consists in the features of construction and combinations of parts hercinafter described and specified in the claims.

In the accompanying` drawings, illustrating the preferred embodiment of my invention: Figure l is a plan view of the machine showing' the frame, for holding' the wheel, in its lowered or horizontal position. Fig. 2 is a side view of the machine as shown in Fig'. l. Fig'. 3 is a side view showingthe wheel carrying' frame raised to vertical position, the trough being shown in section and a wheel illustrated in dotted lines. Fig'. 4l: a rear elevation of the machine as shown in Fig. 3. Fig. 5 is an enlarged. detailed section on the line .fr-a1 of Figi'. Ll. Fig. t3 is an enlarged section on the line y/--j/ of Fig'. 5, and Fig'. 7 is an enlarged broken rear elevation of the slotted portion of the middlel strip of the wheel-carrying frame.

teferring more particularly to the drawing, l designates the water trough which may be of any suitable construction and which is preferably supported on casters 2 so that the machine may be conveniently moved from one part of the shop to another as may be desired. To one of the upper lateral edges of the trough there is hinged, at- 221, the wheel-carrying' fame 3 which is provided with pivoted legs Il adapted to support it in a horizontal position. Said frame comprises two parallel side strips 5, protected on their inner faces by metal plates 6, and a middle strip 7 arranged parallel to the side strips andv connected thereto by cross pieces S which are slightly bowed to hold said middle strip a little below the plane of saidiside strips. Said middle strip has an extel'ision 9 which serves as a handle for raising' the frame from horizontal to vertical position.

The middle strip 7 is provided with a longitinlinal slot l0 in the portion thereof arranged centrally of the frame 3. A block l1, having;` a screw-threaded socket l2, Fig. 5, is fitted to slide in said slot l0. The pin 13, on which the wheel is intended to be supported, is detachably connected to said block 1l by means of a screw-threaded stud lt which engages the screwsthreaded socket. i12 in the block. Roller-bearings l5 are mounted on the inwardly projecting portion of the block l1, one of said rollers being arrangec'l at each side of the block and engaging' a metal track 16 secured to the face of the middle strip T at either side of the slot therein. To the end of the block which projects through the other side of the slot, there is eonnected'a .lever arm 17 extendingparallel to the slot and away from the trough. Said lever arm may be connected to the block in any suitable manner. As here shown, one end thereof is mortised in the block and secured by means of a pin or key 1S. 'Ihc free outer end of the lever arm carries rollcr-bearings 19 similar to the roller-bearings 15 and engaging metal tracks 2t) on the outer face of the strip 7. The ends of the axle 2l of the rollers it) extend well beyond said rollers, as at 22, and are titled above retaining strips Q?) which hold said rollers in contact with the tracks 20.

A pulley 2t is set in a suitable Socket in the handle or extending portion 9 of the middle strip. A cord or chain 25 is connected to the inwardly extending portion of the block 1'1, at 2G, and is passed over said pulley and wound upon a drinn 27 pivotally mounted on the middle strip 7. Said drain is equipped with a crank handle 2S and a ratchet surface 29, the latter being engaged by a spring pressed pawl 30. i

A brace 3l is pivoted or hinged to the middle strip 7 of the wheel-earrying frame, as illustrated, and its pointed extremity 82 is adapted to engage the floor and support the frame in its raised position. The arrangement of the brace is such that it automatically checl'ts the :frame from falling,

los

back to its horizontal position as it is being raised to vertical position, and holds said 'frame rigidly when it reaches a vertical position. rIhe legs et automatically iold themselves against the frame when the latter' is raised and automatically extend themselves into position to support the frame when the latter is lowered to horizontal position.

In operation, the wheel, to which a tire is to be applied, is placed upon th-e frame in a horizontal position with the pin 13 extending through the hub. The wheel is illustrated in dotted lines, at 33, in Figs. 2 and The heated tire is then adjusted over the wooden part of the wheel. rIhis done, the frame is raised by the handle to a vertical position so that the wheel is suspended over the trough. The pawl 30 is then disengaged from the ratchet surface on the drum 27 and the block ll, carrying the pin 1 3, on which the wheel is supported, is lowered by means of the crank 28 until the tire enters the water in the trough. The wheel is then set in a revolving motion which completes the chilling process. The brace 3l. being released, the frame is lowered again to horizontal position, the legs e dropping into place again by their own weight.

It will be noted that the pins for supporting the wheels are interchangeable so that various sizes of pins may be attached to the block ll to suit diti'erentsizes of wheels. It will also be noted that the lever arm 17 furnishes a much better support for the wheel than if the block were directly engaged with the outer portion ot' the middle slotted strip of the trame. rl`he roller-bearings insure easy movement of the block in both directions, and the retaining strips prevent the lever arm, and roller-bearings carried thereby, from becoming disengaged or getting out of proper position.

I claim:

l. In a tire setting machine otl the character described, the combination, with a water trough, of a wheel-carrying frame hinged thereto, means to support said frame in a vertical position, a slotted piece on said frame, a block mounted to slide in said slot and having means for supporting a wheel thereon, bearings for said block on the inner face of said slotted strip, a lever arm secured to the portion of the block extending from the slot on the outer' Vtace oit' said strip, said lever arm extending parallel to the slot and away from the trough, bearings on the extremity of said lever arm engaging the outer face ot the slotted strip, and means to raise and lower said block in its slot for the purpose specified.

2. In a tire setting machine of the character described, the combination, with a water trough, of a wheel-carrying trame hinged thereto, means to support said frame in a vertical position, a slotted piece on said frame, a block mounted to slide in said slot and having means for supporting a wheel therenn, roll.erbearings on the inner tace of said slotted strip, a lever' arm secured to the portion ot the block extending from the slot on the outer tace ot said slotted strip, said lever arm extending parallel to the slot and away from the trough, roller-bearings on the extremity of said lever arm engaging the outer face of the slott-ed strip, and means to raise and lower said bloclr in the slot 'for the purpose specified.

In a tire setting machine of the character described, the combination, with a water trough, oit a wheel-carrying trame hinged thereto, means-to support said frame in a vertical position, a slotted piece on said frame, a blocl; mounted to slide in said slotl and having means for supporting a wheel thereon, roller-bearings on the innerI tace ot said slotted strip, a lever arm secured to tl e portion oit the block extending from the slot on the outer tace of said slotted strip, said lever arm extending parallel to the slot and away from the trough, roller-bearings on the extremity of said lever arm engaging the outer tace ot the slot-ted strip, the axle ot said latter roller-bearings extending well beyond the same, retaining strips secured to the slotted strip and extending over said extensions of said axle whereby the rollers mounted on said axle are retain-ed in contact with the outer tace of the slotted strip, and means to raise and lower said block in the slot for the purpose specified.

In testimony whereof, I aiiix my signature, in presence of two witnesses.

BARNET E. lNIAR'lIN.

Witnesses J. l). HARMAN, F. C. ABEL. 

